Author: Matt Taylor
Date: 02:14:41 02/16/03
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On February 14, 2003 at 23:52:09, Matt Taylor wrote: >On February 14, 2003 at 14:31:42, Gerd Isenberg wrote: > >>I tried two of your routines so far, the cmov/single-bsf one and the >>LSB_32_table lookup one. It's a mess, both without any branches, but IsiChess is >>stil 2-4% slower with these. I guess some chaotic code size dependent side >>effects (Athlon Xp 2000+, 512MB SDRAM). >> >>Regards, >>Gerd What -did- you use before? After thinking about it, I don't see how these routines could make such an impact. It would be very difficult to shrink them further. Have you tried not inlining them? That would make the resulting code smaller. -Matt
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